CN105242169B - The signal sending end and signal receiving end judgment means of a kind of distributing frame - Google Patents
The signal sending end and signal receiving end judgment means of a kind of distributing frame Download PDFInfo
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- CN105242169B CN105242169B CN201510726823.7A CN201510726823A CN105242169B CN 105242169 B CN105242169 B CN 105242169B CN 201510726823 A CN201510726823 A CN 201510726823A CN 105242169 B CN105242169 B CN 105242169B
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Abstract
The present invention provides a kind of signal sending end and signal receiving end judgment means of distributing frame, it includes shell, test splice and the detection judge module in shell, and test splice is connected by wire to be used to obtain real-time level value caused by the signal of port to be tested to be arranged on outside the shell.Detection judge module includes printed circuit board (PCB), judges chip, LCDs and light emitting diode, and the positive pole and negative pole of the positive pole of light emitting diode and negative pole respectively with test splice are connected in parallel.By by real-time level value with judge chip internal set first threshold and Second Threshold compared with, the first mark or the second mark can be directly shown on LCDs, so as to accurately and quickly determine that the port of distributing frame is signal sending end or signal transmitting and receiving end, and the action for being equipped with light emitting diode is used as the intuitive manner for further providing judged result.
Description
Technical field
The present invention relates to communication equipment field, sentences more particularly to the signal sending end and signal receiving end of a kind of distributing frame
Disconnected device.
Background technology
DDF is digital multiplex equipment and programme-controlled exchange or data service unit between digital multiplex equipment
Deng the distributing connection equipment between other professional equipments, increasingly there is superiority in digital communication, it can set digital communication
The connection of standby digital code stream turns into an entirety, input from speed 2Mb/s~155Mb/s signals, output all can terminating exist
On DDF, this is that distribution, line transfer, switching, dilatation all bring very big flexibility and convenience.It is main on DDF
Signal port is provided, is mostly inside and outside two layers, internal layer is commonly designated as transmission equipment side, and outer layer is commonly designated as exchange side, here it is
The equipment for saying the connection of distributing frame both ends is switching equipment and transmission equipment.
Angle is sent from the point of view of transmitting terminal with signal, (1) interchanger is the DDF for being signally attached to switching room
Exchange side；(2) exchange side of the DDF of transmission room is connected to by junction line, then biography is connected to by U-shaped frame
Defeated side；(3) signal is connected to the branch on transmission equipment (such as SDH) from the transmission equipment side of transmission room DDF by junction line
On the service board of road；(4) by taking SDH as an example, numerous signal multiplexings are into 155M/622M/2.5G/10G on tributary card, eventually through line
Tail optical fiber on the plate of road is sent.The angle carried out with regard to practical communication business, then be from the biography in end-to-end intermediary service
Defeated passage is first begin to, and transmission channel director is connected to the mode that the passage of license is increased newly or changed, and is carried out according to mode content
Passage such as gets through, allocated at the work, end office (EO) business director is notified after the completion of work, then carry out the debugging efforts of specific business.
After service channel has been acknowledged and opened, during terminal traffic personnel's business is exchanged, first have to determine is exactly both sides' physics
Whether layer link is established.This just must make the junction cable of oneself be connected to local terminal distributing frame, and ensure that the signal of business receives
End or signal sending end can not overturn.I.e. the signal receiving end of local terminal corresponding service corresponds to the letter that local terminal distributing frame establishes
Number transmitting terminal, the signal sending end of local terminal business correspond to the signal receiving end that local terminal distributing frame establishes.It is but right at this
During answering, the situation of corresponding mistake often occurs, causes business to carry out in time.Common solution is exactly eventually
The signal sending end mouth or receiver port for being relayed to distributing frame are switched in end equipment side, to be confirmed whether being due to that signal is sent
Port or receiver port connect that to instead result in link obstructed.
Such case is being transmitted, and new business is opened in terms of terminal traffic, or in the work of failture evacuation, defect elimination it is non-usually
See, if not can confirm that whether local terminal business to the signal sending end mouth or receiver port of local terminal distributing frame correctly connects,
Exchanging jobs for next step can not just be carried out, if again and again exchange jobs if following drawback be present：
As transmission network management operational error easily influences the business that is currently running；
Coordination problem in reversed process between terminal projects teacher work；
Pulling bayonet joint easily makes joint virtual connection, influences oneself business itself；
Imprudence touch or be DDF port miscount situation can more influence other fortune equipment good fortune
OK, immeasurable loss is caused.
On the other hand, many times can also be delayed by transmitting work coordination problem between director and business director, be wasted
A large amount of manpower and materials, the accurate method of testing of other, such as " the pocket watch test " often said, i.e., entered using 2M code error testers
Row signal detection, then complex equipment is needed, higher is required to operating personnel's technical merit, at work and is not applied to,
The signal sending end or signal receiving end of DDF port can not quickly be judged.
The content of the invention
The present invention transmits test existing for context of detection to solve the signal of existing DDF mentioned above
Defect, there is provided the signal sending end and signal receiving end judgment means of a kind of distributing frame, it can be by portable construction with regard to energy
Accurately and quickly carry out the detection of the signal sending end or signal receiving end on DDF.
Specifically, the present invention provides a kind of signal sending end and signal receiving end judgment means of distributing frame, and it includes outer
Shell, test splice and the detection judge module in shell, the test splice are connected described outer to be arranged on by wire
Outside shell；
The detection judge module includes printed circuit board (PCB), judges chip, LCDs and light emitting diode, the print
Printed circuit board is fixedly installed on the inwall of the shell, the light emitting diode and judges that chip is arranged on the printed circuit
On plate, the LCDs is arranged on the outer surface of the shell and electrically connected with the judgement chip；
The test splice electrically connects with the judgement chip with the light emitting diode respectively, and the light-emitting diodes
The positive pole and negative pole of pipe are connected in parallel with the positive pole and negative pole of the test splice respectively；
One end of the test splice connects the printed circuit board (PCB), the other end connection terminal cable of the test splice
Port, the terminal cable port are DDF port to be tested,
When the port to be tested of the DDF is signal sending end, the test splice can obtain to be tested
Real-time level value caused by the signal of port, and the level value in real time is respectively sent to light emitting diode and judges core
Piece, the judgement chip internal are provided with first threshold, when the real-time level value is located in the range of the first threshold,
The judgement chip is sent to the LCDs judges signal, and the LCDs shows the first mark to represent it
For signal sending end, and the level value in real time can drive light emitting diode state highlighted；Or
When the port to be tested of the DDF is signal receiving end, the test splice can obtain to be tested
Real-time level value caused by the signal of port, and the level value in real time is respectively sent to light emitting diode and judges core
Piece, the judgement chip internal are provided with Second Threshold, when the real-time level value is located in the range of the Second Threshold,
The judgement chip is sent to the LCDs judges signal, and the LCDs shows the second mark to represent it
For signal sending end, and the light emitting diode is in OFF state.
Preferably, the first threshold is more than 2.3V and is less than 2.6V；The Second Threshold is more than or equal to 0V and small
In 0.5V.
Preferably, the shell is provided with the first through hole for being used for installing the light emitting diode.
Preferably, the test splice is L9 joints or BNC connector.
Preferably, the light emitting diode is yellow light-emitting diode.
Preferably, the outer cover of the shell is provided with PVC insulating sheaths.
Preferably, the shell is lip pencil structure, and it includes nib, pen body and top, and the test splice is arranged on pen
Sharp side, the light emitting diode are set at top, and the LCDs is arranged in pen body.
The present invention provides a kind of signal sending end and signal receiving end judgment means of distributing frame, and it can quickly identify logical
Port on news line is signal sending end or signal receiving end, simple in construction, easy to use.When for detection signal, it
Terminal cable port is connected to, if often bright and/or LCDs shows the first mark to light emitting diode, judges this port
For signal sending end mouth；If light emitting diode does not work and/or LCDs shows the second mark, judge this port for letter
Number receiving port.Therefore, it is possible to quickly judge signal sending end corresponding to DDF or signal receiving end.
Brief description of the drawings
Fig. 1 uses schematic diagram for the present invention's；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is that the internal structure of the detection judge module of the present invention splits schematic diagram；
Fig. 4 is the structural representation of the shell of the present invention；
Fig. 5 is the flow chart that the signal of the distribution frame end of the present invention quickly identifies；
Fig. 6 is the structural representation of another embodiment of the shell of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further explained to the structure and working principle of the present invention：
Specifically, the present invention provides a kind of signal sending end and signal receiving end judgment means 1 of distributing frame, distributing frame one
As be DDF, as shown in Figures 2 and 3, it include shell 10, test splice 3 and detection judge module 2, test connects
First 3 are arranged on the outside of shell 10, and detection judge module 4 is arranged on the inside of shell 10.Shell 10 is plastic casing or metal
Shell.The outer cover of shell 10 is provided with insulating sheath, and insulating sheath is PVC sheath.
As shown in figure 3, detection judge module 2 includes printed circuit board (PCB) 21, judges chip 22, LCDs 23 and hair
Optical diode 24, printed circuit board (PCB) 21 are fixed on the inwall of shell 10, light emitting diode 24 and judge that chip 22 is arranged on
On printed circuit board (PCB) 21, LCDs 23 is arranged on the outer surface of shell 10, and with judging that chip 22 electrically connects.
Judge that chip 22 electrically connects with test splice 3 respectively with light emitting diode 24, and the positive pole of light emitting diode 24
It is in parallel with the positive pole and negative pole of test splice 3 respectively with negative pole.
One end connection printed circuit board (PCB) 21 of test splice 3, the other end connection terminal cable port 4 of test splice 3, eventually
End cable port 4 is DDF port 100 to be tested.In connection, it is able to confirm that the signalling channel of distributing frame is in and connects
Logical state, i.e., if DDF port 100 to be tested is signal sending end, test splice 3 can just receive numeral and match somebody with somebody
Signal that coil holder port 100 to be tested is sent and a series of caused level values.
When the port to be tested 100 of DDF is signal sending end, test splice 3 can obtain port to be tested
Signal caused by real-time level value, and real-time level value is respectively sent to light emitting diode 24 and to judge chip 22, sentenced
Disconnected chip 22 is internally provided with first threshold, when real-time level value is located in the range of the first threshold, judges chip 22
Sent to the LCDs 23 and judge signal, LCDs 23 shows the first mark to represent that it sends as signal
End, and level value can drive the light emitting diode 24 state highlighted in real time.The now model of real-time level value
Enclose and be more than 2.3V and be less than 2.6V for 2.35V-2.45V, first threshold.
Or when the port to be tested 100 of DDF is signal receiving end, test splice 3 can obtain to be tested
Real-time level value caused by the signal of port, and real-time level value is respectively sent to light emitting diode 24 and judges chip
22, it is zero that now level value is actual, judges that chip 22 is internally provided with Second Threshold, Second Threshold is more than or equal to 0V and is less than
0.5V.When real-time level value is located in the range of the Second Threshold, judges that chip 22 is sent to the LCDs and sentence
Break signal, LCDs 23 show the second mark to represent it as signal sending end, and light emitting diode 24 is in and put out
Go out state.
In the case where DDF is connected with junction cable interface, terminal cable port 4 can also be digital junction
Cable interface, test splice 3 by transfer it is first-class can be connected directly to digital junction cable interface, identified with quick in numeral
After the signal transmitting and receiving end of cable interface.
Generally, test splice 3 is L9 joints, but when DDF port to be tested or digital junction cable connect
When mouth can not connect L9 joints, test splice is that BNC connector or other transmission equipments often use joint, and test splice 3 is according to tag wire
The type of the joint of cable-end mouth 4, it can be changed accordingly.
As shown in figure 1, the use it illustrates signal transmitting and receiving end identification device on DDF, it includes numeral and matched somebody with somebody
Coil holder 5, digital communication equipment 6 and terminal device 7, it connects power frame port to be tested in test, using test splice
100, if signal transmission passage is open-minded, and the normal bright and/or LCDs 23 of light emitting diode 24 shows and just firmly believed
Number, then illustrate that this port opens the signal sending end 101 of passage for power frame port；If signalling channel is open-minded, and
And light emitting diode does not work and/or LCDs 23 shows error signal, then it is signal receiving end 102 to illustrate this port.
As shown in figure 4, shell 10 is provided with the through hole 12 of first through hole 11 and second, the size shape and hair of first through hole 11
The size shape matching of optical diode 24, for through light emitting diode 24 and appearing the light of light emitting diode 24, second is logical
The wire that hole 12 is used for through connecting test joint 3 and printed circuit board (PCB) 2.
In another embodiment, as shown in fig. 6, shell 10 is lip pencil structure, it includes nib 20, nib 30 and pen
Body 40, test splice 3 are arranged at nib 30, and light emitting diode 24 is arranged at nib 20, and LCDs 23 is arranged on pen
At body 40, such a structure is more convenient to carry.
Preferably, light emitting diode 24 is yellow light-emitting diode.Due to signal level value scope for 2.35~
2.45V, therefore, the lighting requirements under the level value are just disclosure satisfy that using the light emitting diode of yellow.When in use, print
Printed circuit board can also be welded with current-limiting resistance, and to change magnitude of voltage, light emitting diode 24 is connected with current-limiting resistance, now lighted
Diode 24 can use the light emitting diode of other corresponding colors.
Preferably, a kind of DDF port signal method for quickly identifying is also provided, its workflow as shown in figure 5,
It comprises the following steps：
S1, test splice 3 is connected to terminal cable port 4；
If S2, light emitting diode 24 are often bright and/or the display of LCDs 23 first indicates, judge this port for letter
Number sending port；
If S3, light emitting diode 24 do not work and/or the mark of the display of LCDs 23 second, judge this port for letter
Number receiving port.
Its operation principle is as described below：
When DDF port to be tested is not in operation after business, junction traffic to be opened, or due to a variety of originals
During because causing to occur ais alarm signal, this alarm code is inserted by port transmission equipment, after transmission equipment, according to mark
Accurate E1 transmission codings：HDB3 codes or AMI codes are sent to distributing frame corresponding port, its coding rule:0 transmission in message code
+ 1, -1 alternating in 1 transmission code in 0 message code in code.Complete 1 warning information sent corresponding to AIS codes, friendship will be produced
The positive and negative level alarm signal replaced, signal frequency fs>=8000 (HZ).
When junction traffic has been opened in port, the practical business of opposite end transmission can be now received in DDF corresponding ports
Signal, coding is transmitted according to the E1 of standard：HDB3 codes or AMI codes, irregular positive and negative level traffic message signale will be produced,
Signal frequency fs>=8000 (HZ).The level value received meet telecommunication standard G.703 nonequilibrium 75ohm when, output numeral
Signal waveform peaks normal voltage 2.37V.
Therefore, if DDF port to be tested is signal sending end, its signal can produce a series of level values,
Positive level in this series of level value can trigger the one-way conduction characteristic of light emitting diode, and positive negative level becomes in its signal
Change frequency and be far longer than the resolution strobing frequency of human eye, therefore, it is seen that light emitting diode be constantly in normal bright state, by
This, it is possible to infer, when the connection DDF of test splice 3 port to be tested, if light emitting diode 24 is in highlighted
State and the mark of the display of LCDs 23 first, then this DDF test port is signal sending end.
, whereas if DDF port to be tested is signal receiving end, a series of level values cannot be produced, are lighted
Diode can not turn on, and it is in OFF state, and the mark of the display of LCDs 23 second, thus, it is possible to infer, work as survey
Try first 3 connection DDF port to be tested when, if light emitting diode 24 is in the state that do not work, this DDF
Test port is signal receiving end.
The present invention provides a kind of signal sending end and signal receiving end judgment means of distributing frame, and it can quickly identify logical
Port on news line is signal sending end or signal receiving end, simple in construction, easy to use.When for detection signal, it
Terminal cable port is connected to, if often bright and/or LCDs shows the first mark to light emitting diode, judges this port
For signal sending end mouth；If light emitting diode does not work and/or LCDs shows the second mark, judge this port for letter
Number receiving port.Therefore, it is possible to quickly judge signal sending end corresponding to DDF or signal receiving end.
Finally it should be noted that：Above-described embodiments are merely to illustrate the technical scheme, rather than to it
Limitation；Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in previous embodiment, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or substitutions, the essence of appropriate technical solution is departed from various embodiments of the present invention technical side
The scope of case.
Claims (6)
1. the signal sending end and signal receiving end judgment means of a kind of distributing frame, it is characterised in that：It includes shell, test connects
Head and the detection judge module in shell, the test splice are connected by wire to be arranged on outside the shell；
The detection judge module includes printed circuit board (PCB), judges chip, LCDs and light emitting diode, and the printing is electric
Road plate is fixedly installed on the inwall of the shell, the light emitting diode and judges that chip is arranged on the printed circuit board (PCB)
On, the LCDs is arranged on the outer surface of the shell and electrically connected with the judgement chip；
The test splice electrically connects with the judgement chip with the light emitting diode respectively, and the light emitting diode
The positive pole and negative pole of positive pole and negative pole respectively with the test splice are connected in parallel；
One end of the test splice connects the printed circuit board (PCB), the other end connection terminal cable end of the test splice
Mouthful, the terminal cable port is DDF port to be tested or digital junction cable interface,
When the port to be tested of the DDF is signal sending end, the test splice can obtain port to be tested
Signal caused by real-time level value, and the level value in real time is respectively sent to light emitting diode and judge chip, institute
State and judge that chip internal is provided with first threshold, it is described when the real-time level value is located in the range of the first threshold
Judge that chip is sent to the LCDs and judge signal, the LCDs shows the first mark to represent it as letter
Number transmitting terminal, and the level value in real time can drive light emitting diode state highlighted；Or
When the port to be tested of the DDF is signal receiving end, the test splice can obtain port to be tested
Signal caused by real-time level value, and the level value in real time is respectively sent to light emitting diode and judge chip, institute
State and judge that chip internal is provided with Second Threshold, it is described when the real-time level value is located in the range of the Second Threshold
Judge that chip is sent to the LCDs and judge signal, the LCDs shows the second mark to represent it as letter
Number transmitting terminal, and the light emitting diode is in OFF state；
The first threshold is more than 2.3V and is less than 2.6V；The Second Threshold is more than or equal to 0V and is less than 0.5V.
2. the signal sending end and signal receiving end judgment means of distributing frame according to claim 1, it is characterised in that：Institute
State shell and be provided with the first through hole for being used for installing the light emitting diode.
3. the signal sending end and signal receiving end judgment means of distributing frame according to claim 1, it is characterised in that：Institute
It is L9 joints or BNC connector to state test splice.
4. the signal sending end and signal receiving end judgment means of distributing frame according to claim 1, it is characterised in that：Institute
It is yellow light-emitting diode to state light emitting diode.
5. the signal sending end and signal receiving end judgment means of distributing frame according to claim 4, it is characterised in that：Institute
The outer cover for stating shell is provided with PVC insulating sheaths.
6. the signal sending end and signal receiving end judgment means of distributing frame according to claim 5, it is characterised in that：Institute
It is lip pencil structure to state shell, and it includes nib, pen body and top, and the test splice is arranged on nib side, described luminous two
Pole pipe is set at top, and the LCDs is arranged in pen body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726823.7A CN105242169B (en) | 2015-10-30 | 2015-10-30 | The signal sending end and signal receiving end judgment means of a kind of distributing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726823.7A CN105242169B (en) | 2015-10-30 | 2015-10-30 | The signal sending end and signal receiving end judgment means of a kind of distributing frame |
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| Publication Number | Publication Date |
|---|---|
| CN105242169A CN105242169A (en) | 2016-01-13 |
| CN105242169B true CN105242169B (en) | 2018-02-09 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108769839A (en) * | 2018-05-07 | 2018-11-06 | 国网福建省电力有限公司三明供电公司 | A kind of power communication DDF units |
| CN108710058B (en) * | 2018-08-01 | 2023-10-13 | 中铁建电气化局集团南方工程有限公司 | Tester and testing method for transmission digital distribution frame |
| CN109474334A (en) * | 2018-10-31 | 2019-03-15 | 国网四川省电力公司达州供电公司 | A kind of digital wiring unit with Air conduct measurement and fault location function |
| US10955450B2 (en) | 2019-03-14 | 2021-03-23 | Rohde & Schwarz Gmbh & Co. Kg | System and method for real-time visualization of radiation pattern |
| CN111277327B (en) * | 2020-01-21 | 2021-10-01 | 国网四川省电力公司 | Line protection communication channel fault area identification method |
| CN112526407B (en) * | 2020-11-24 | 2024-03-19 | 国网新疆电力有限公司信息通信公司 | 2M port connecting device and port testing method for electric power digital distribution frame |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201639588U (en) * | 2009-11-26 | 2010-11-17 | 华北电网有限公司廊坊供电公司 | E1 sending-receiving port detector |
| CN202433481U (en) * | 2012-02-15 | 2012-09-12 | 西安中兴精诚通讯有限公司 | Transmission 2M line luminous tester |
| EP2760176A1 (en) * | 2013-01-23 | 2014-07-30 | Vodafone Holding GmbH | Flash video enabler for iOS devices |
| CN103716205B (en) * | 2013-12-27 | 2018-05-04 | 国家电网公司 | Light emitting diode application process in communication operation and maintenance |
| CN203870192U (en) * | 2014-05-10 | 2014-10-08 | 中铁三局集团有限公司 | DDF 2M cable port test tool |
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